[Heavy Duty Aluminum]: Engine Coolant Reservoir Tank with Cap made from high-stability, corrosion-resistant aluminum alloy for exceptional durability and performance. Resistant to high temperatures, cracking, and warping, it effectively reduces oil dilution, cylinder bore wear, and fuel consumption while lowering exhaust emissions and enhancing heating system efficiency
[Vehicle Fitment]: Engine Coolant Reservoir Tank Compatible with 2013-2018 Ram 2500 3500 4500 5500 L6 6.7L. See the product description for the full fitment list
[Replace OE Numbers]: Coolant tank replace for 603-839, 603839, 68096261AA, 68166475AB, 68166475AC, 68166475AD, 68249136AA, 68442532AA. Direct replacement for OEM installation positions; simple assembly required before installation, adding a touch of DIY enjoyment
[Premium Quality]: Unlike plastic tanks that become brittle and fail over time, this heavy-duty aluminum coolant reservoir is engineered to withstand extreme underhood temperatures and constant pressure, delivering long service life and consistent performance
[Customer Support]: Our coolant tank with a 1-Year Warranty. We manufacture quality products that are tested to meet supreme styling demands of automotive enthusiasts. Any questions, please to message us, we will have a dedicated customer service to serve you